inexorable : 容赦ない、曲げられない、動かし得ない
Synonyms : unrelenting, relentless, implacable, hard, severe, harsh, cruel, adamant, inescapable, inflexible, merciless, unyielding, immovable, remorseless, pitiless, unbending, obdurate, ineluctable, unappeasable
Antonyms : flexible, lenient, relenting, yielding, bending, movable
an inexorable fate
an inexorable law of nature
an inexorable opponent